Set of 8 White Self-Adhesive Stainless Steel Mobile Base with Swivel Wheels, Non-Hole Self-Adhesive Ball Bearing Wheel Mobile Base Accessories Universal Mini Casters Function: Simply stick the stainless steel universal to the bottom of the box to easily move heavy boxes and equipment, stable and quiet, will not scratch the floor, not easy to shake during use, and can be applied to storage boxes and cartons of various types and sizes. Material: The ball are made of solid ABS material and stainless steel balls, which are durable and wear-resistant, can be used for a long time without any load, easily move heavy objects, 360-degree free rotation, and the ball rubber wheels can slide freely without restrictions at any angle. Easy to install-just peel off the backing plate and press hard on the smooth surface. It is recommended to wait 24 hours before use. It will be better to let the smooth pulley no longer worry about heavy objects. Wide range of uses: Universal stainless steel can be used for trash cans, small furniture, flower pots, children's toys and other crafts, storage boxes, ordinary trash cans, wooden boards and other small containers. Suitable for all types of storage containers, etc. The maximum load is about 20 kg. Convenience for your life: By attaching these ball to objects, their movement is effortless, and these beads are not easy to scratch the floor, please put them at the bottom of the box 2. Smooth pulleys are no longer a problem of heavy loads Bring you a wonderful experience. Color: White Size: 4.5*2.8*1.5cm Package includes: 8*ball .